There might be looping issue, please unplug all the cables from the switch and then put one by one cable in each switch port and make sure that both ends or the cable should not plug to the swithc... also check in your network there wont be virus infected pc or device..
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There might be looping issue, please unplug all the cables from the switch and then put one by one cable in each switch port and make sure that both ends or the cable should not plug to the swithc... also check in your network there wont be virus infected pc or device..